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Einfluss der Grünlandnutzung auf die PPO-Aktivität in Rotklee

Eickler, Birgit; Gierus, Martin and Taube, Friedhelm (2007) Einfluss der Grünlandnutzung auf die PPO-Aktivität in Rotklee. [Influence of sward management on PPO activity in red clover.] Paper at: Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

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Summary

Several studies show that polyphenol oxidase (PPO) in red clover reduces proteolysis and increases nitrogen use efficiency of the ruminant, but not much is known about factors affecting PPO activity in red clover plants. PPO activity was analysed in red clover plants from legume-grass mixtures subjected to three different management systems. The cutting frequency (3 or 5 cuts) caused only minor differences in PPO activity, whereas a significant increase in PPO activity could be proved for the rota-tional grazing system (RG), compared to the simulated grazing system (SG, 5 cuts) with equal use frequency. Results indicate a metabolic adaptation of the red clover plants due to the grazing process itself, leading to a control factor which has to be considered in case of red clover nutrition properties.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:Grünland, Tierernährung, Polyphenoloxidase
Subjects: Crop husbandry > Crop health, quality, protection
Animal husbandry > Feeding and growth
Research affiliation: International Conferences > 2007: Scientific Conference on Organic Agriculture > 2 Livestock > 2.3 Animal nutrition
Deposited By: Eickler, Dipl.-Agr. Biol. Birgit
ID Code:9597
Deposited On:07 May 2007
Last Modified:12 Apr 2010 07:34
Document Language:German - Deutsch
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:Die endgültige Version des Beitrags ist veröffentlicht in:
S. Zikeli, W. Claupein, S. Dabbert, B. Kaufmann, T. Müller und A. Valle Zárate, Hrsg. (2007)
Zwischen Tradition und Globalisierung – 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Deutschland, 20.-23. März 2007, http://orgprints.org/10742/

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